Impalas are the wimps of the animal kingdom and other species know it - Popular Science

Popular Science

Impalas are the wimps of the animal kingdom and other species know it Popular Science She and her colleague, Abby Gross, also of the University of Minnesota, gathered recordings of each of these cries with a little help from a life-sized photograph of a stalking lion mounted on plywood. They wheeled the ersatz lion through the bush in ...